137325791 has 2 divisors, whose sum is σ = 137325792. Its totient is φ = 137325790.

The previous prime is 137325767. The next prime is 137325803. The reversal of 137325791 is 197523731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137325791 is a prime.

It is equal to p_7769531 and since 137325791 and 7769531 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137321791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68662895 + 68662896.

It is an arithmetic number, because the mean of its divisors is an integer number (68662896).

Almost surely, 2^137325791 is an apocalyptic number.

137325791 is a deficient number, since it is larger than the sum of its proper divisors (1).

137325791 is an equidigital number, since it uses as much as digits as its factorization.

137325791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 38.

The square root of 137325791 is about 11718.6087484820. The cubic root of 137325791 is about 515.9219868338.

The spelling of 137325791 in words is "one hundred thirty-seven million, three hundred twenty-five thousand, seven hundred ninety-one".